package com.example.lotterysystem.dao.mapper;

import com.example.lotterysystem.dao.dataobject.PrizeDO;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface PrizeMapper {

    @Insert("insert into prize(name,description,price,image_url) " +
            " values(#{name},#{description},#{price},#{imageUrl})")
    @Options(useGeneratedKeys = true, keyProperty = "id",keyColumn = "id")
    Long insert(PrizeDO prizeDO);


    @Select("select id,name,description,price,image_url as imageUrl from prize order by id desc limit #{offset},#{pageSize}")
    List<PrizeDO> selectPrizeList(@Param("offset") Integer offset,@Param("pageSize") Integer pageSize);

    @Select("select count(1) from prize")
    int count();

    @Select("<script>" +
            " select id from prize" +
            " where id in" +
            " <foreach item='item' collection='items' open='(' separator=',' close=')'>" +
            " #{item}" +
            " </foreach>" +
            " </script>")
    List<Long> selectExitsByIds(@Param("items") List<Long> prizeIds);

    @Select("<script>" +
            " select * from prize" +
            " where id in" +
            " <foreach item='item' collection='items' open='(' separator=',' close=')'>" +
            " #{item}" +
            " </foreach>" +
            " </script>")
    List<PrizeDO> batchSelectByIds(@Param("items") List<Long> ids);

    @Select("select * from prize where id=#{prizeId}")
    PrizeDO selectById(@Param("prizeId") Long prizeId);
}
